# This file contains common pin mappings for the BIGTREETECH SKR mini
# E3 v2.0. To use this config, the firmware should be compiled for the
# STM32F103 with a "28KiB bootloader" and USB communication. Also,
# select "Enable extra low-level configuration options" and configure
# "GPIO pins to set at micro-controller startup" to "!PA14".

# The "make flash" command does not work on the SKR mini E3. Instead,
# after running "make", copy the generated "out/klipper.bin" file to a
# file named "firmware.bin" on an SD card and then restart the SKR
# mini E3 with that SD card.

# See docs/Config_Reference.md for a description of parameters.

[stepper_x]
step_pin: PB13
dir_pin: !PB12
enable_pin: !PB14
microsteps: 16
rotation_distance: 40
endstop_pin: ^PC0
position_endstop: 220
position_max: 220
homing_speed: 100

[tmc2209 stepper_x]
uart_pin: PC11
tx_pin: PC10
uart_address: 0
run_current: 0.580
hold_current: 0.500
stealthchop_threshold: 250

[stepper_y]
step_pin: PB10
dir_pin: !PB2
enable_pin: !PB11
microsteps: 16
rotation_distance: 40
endstop_pin: ^PC1
position_endstop: 220
position_max: 220
homing_speed: 100

[tmc2209 stepper_y]
uart_pin: PC11
tx_pin: PC10
uart_address: 2
run_current: 0.580
hold_current: 0.500
stealthchop_threshold: 250

[stepper_z]
step_pin: PB0
dir_pin: !PC5
enable_pin: !PB1
microsteps: 16
rotation_distance: 8
endstop_pin: probe:z_virtual_endstop
position_max: 300
homing_speed: 10.0

[tmc2209 stepper_z]
uart_pin: PC11
tx_pin: PC10
uart_address: 1
run_current: 0.580
hold_current: 0.500
stealthchop_threshold: 5

[bltouch]
sensor_pin: ^PC14
control_pin: PA1
x_offset: -45
y_offset: -13
z_offset: 1.95
z_offset: 2.15
speed: 2.0
samples: 2
sample_retract_dist: 4.0
probe_with_touch_mode: True

[safe_z_home]
# (220 / 2) - offset
home_xy_position: 155, 123
speed: 100
z_hop: 10
z_hop_speed: 5

[bed_mesh]
speed: 100
horizontal_move_z: 4
mesh_min: 0, 0
# 220 + offset - 10 (padding)
mesh_max: 167, 197
probe_count: 3, 3

[extruder]
step_pin: PB3
dir_pin: !PB4
enable_pin: !PD2
microsteps: 16
rotation_distance: 33.00934
nozzle_diameter: 0.400
filament_diameter: 1.750
heater_pin: PC8
sensor_type: EPCOS 100K B57560G104F
sensor_pin: PA0
min_temp: 0
max_temp: 260
max_extrude_only_distance: 100.0

[tmc2209 extruder]
uart_pin: PC11
tx_pin: PC10
uart_address: 3
run_current: 0.650
hold_current: 0.500
stealthchop_threshold: 5

[heater_bed]
heater_pin: PC9
sensor_type: ATC Semitec 104GT-2
sensor_pin: PC3
min_temp: 0
max_temp: 130

[heater_fan nozzle_cooling_fan]
pin: PC7

[fan]
pin: PC6

[mcu]
serial: /dev/serial/by-id/usb-Klipper_stm32f103xe_39FFDA054D4D313727641943-if00

[printer]
kinematics: cartesian
max_velocity: 300
max_accel: 3000
max_z_velocity: 5
max_z_accel: 100

[static_digital_output usb_pullup_enable]
pins: !PA14

[board_pins]
aliases:
    # EXP1 header
    EXP1_1=PB5,  EXP1_3=PA9,   EXP1_5=PA10, EXP1_7=PB8,  EXP1_9=<GND>,
    EXP1_2=PA15, EXP1_4=<RST>, EXP1_6=PB9,  EXP1_8=PB15, EXP1_10=<5V>

[mcu rpi]
serial: /tmp/klipper_host_mcu

[adxl345]
cs_pin: rpi:None

[resonance_tester]
accel_chip: adxl345
probe_points:
    110, 110, 20

[input_shaper]
shaper_freq_x: 95.2
shaper_type_x: ei
shaper_freq_y: 84.6
shaper_type_y: 2hump_ei

[temperature_sensor raspberry_pi]
sensor_type: temperature_host
min_temp: 10
max_temp: 100

[temperature_sensor mcu_temp]
sensor_type: temperature_mcu
min_temp: 0
max_temp: 100

[filament_switch_sensor filament_runout_sensor]
pause_on_runout: True
runout_gcode: PAUSE
insert_gcode: RESUME
switch_pin: PC2

[display]
lcd_type: st7920
cs_pin: PB8
sclk_pin: PB9
sid_pin: PB15
encoder_pins: ^PA9, ^PA10
click_pin: ^!PA15

[output_pin beeper]
pin: EXP1_1